Apple iMac G4 presented a 15 inch liquid crystal display that was mounted on an adjustable type of arm placed above a specific type of hemisphere that is known to have contained an optical drive and a central processing unit. This CPU became familiar as the PPC 74xx-series and the LCD computer was familiar among computer users as the new iMac. In 2004 the manufacture of the new iMac was discontinued due to the manufacture of Apple iMac G5 and its name remained known as Apple iMac G4 as a way of differentiation from the new iMac.

Apple iMac G4 was considered in various occasions as one of the greatest advancements made by Apple Inc in what concerns their Mac Desktops. This model of iMac computers was considered to present numerous innovative features that clearly differentiated it from older models that had been on the market until 2002. It was appreciated at that time for the flat-panel type of LCD screen presented by it, for the fact that it presented features such as tray loading DVD -CD drives as well as for other such interesting features that represented something new on the market at that time.
Many computer users who have had the chance of using Apple iMac G4 appreciated it for its floating type of monitor that proved to be very adjustable and useful to be used in various situations. What was also different from the previous iMac products was the fact that this one could only be found in white and was not translucent as other products such as iMac G3.
In what concerns the display presented by Apple iMac G4 can also be mentioned the fact that in the case of the 15 inch thin film transistor widescreen LCD the resolution was one of 1024 x 768 pixels, whereas in the case of the 17 inch display the resolution was of 1440 x 900 pixels. Other important features to be mentioned as presented by Apple iMac G4 are its hard drive possibilities of 40 GB, 60 GB and 80 GB. It presented a built-in antenna and card slot for an optional AirPort Card of 11 Mbit/s. Its standard features were represented by 3 built-in types of USB 1.1 and 2 Firewire 400 ports as well as a mini-jack for external speakers and a built-in microphone. It also presented a built-in modem and a mini-VGA type of port.

Apple iMac G4 was very well received when it was presented because many of its features were considered innovative ones and many users considered them to be very useful.